Black Sands, HI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Black Sands, a community in Hawaii County, Hawaii.
Overnight
70°F
Scattered Rain Showers
Scattered rain showers. Mostly cloudy, with a low around 70. North wind 6 to 9 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Black Sands
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 70°F | Scattered Rain Showers | 6 to 9 mph N | 52% |
| Tuesday | 80°F | Scattered Rain Showers | 6 to 10 mph NE | 45% |
| Tuesday Night | 71°F | Scattered Rain Showers | 9 mph NNE | 54% |
| Wednesday | 79°F | Scattered Rain Showers | 8 to 13 mph NNE | 45% |
| Wednesday Night | 71°F | Chance Rain Showers | 10 mph NNE | 60% |
| Thursday | 79°F | Chance Rain Showers | 10 to 15 mph NE | 59% |
| Thursday Night | 71°F | Chance Rain Showers | 13 mph NNE | 66% |
| Friday | 80°F | Chance Rain Showers | 12 to 16 mph NNE | 64% |
| Friday Night | 71°F | Chance Rain Showers | 12 to 16 mph NNE | 70% |
| Saturday | 80°F | Rain Showers | 12 to 16 mph NNE | 80% |
| Saturday Night | 71°F | Chance Rain Showers | 13 mph NNE | 74% |
| Sunday | 80°F | Occasional Rain Showers | 10 to 15 mph NE | 86% |
| Sunday Night | 71°F | Chance Rain Showers | 13 mph NE | 70% |
| Monday | 80°F | Occasional Rain Showers | 12 to 16 mph NE | 78% |
Forecast source: National Weather Service (api.weather.gov) for Black Sands (19.414, -154.959). Updated through the day.
Growing snapshot for Black Sands
Growing season
365 days
More local growing data for Black Sands: nearby ZIP 96778 weather · frost dates · planting calendar · Hawaii frost dates
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Laupahoehoe
Climate data from the nearest NOAA station, Glenwood #2 55.4, Hi (7.2 mi from Black Sands). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.